We migrated to Skype for Business phone last year. So our phone numbers were ported over to Microsoft's Skype for Business. All but our analog lines which are used for fax machines and modems. At the time, Microsoft in Canada didn't have a solution for analog lines. Is there still no solution from Microsoft to handle analog lines? Or do they have some kind of solution for analog lines? We have to port our remaining numbers from our old system as the company is closing out the account. Does anyone know how I can handle analog lines in a digital world? And yes, the analog lines are still needed.

We have 2 AudioCodes MP124 devices ( https://www.audiocodes.com/solutions-products/products/digital-and-analog-media-gateways/mediapack-1xx ) that we were trying to use with Skype for Business. It’s supposed to be able to leverage analog phone systems and integrate them into VOIP systems like Skype for Business. Microsoft said last year that they were adding the functionality for connecting to analog telephone adapters (ATA) like the AudioCodes MP124 device into Skype for Business. So not sure if that functionality was added yet or not. And if it is, how we could leverage that functionality.

Would it still require us to have the phone numbers via a PRI, or similar, to use that functionality? Or would we be able to port the numbers to Microsoft Skype for Business and use the AudioCodes to convert the line back to an analog signal (or is that not the way it would work)?

If on-premise the mp124 connecting back to a SBC will work.But what version of Skype for Business have you got?

For Cloud only Skype for Business or TeamsPurely Cloud Skype for Business- install a SBC, cloud connector edition. Pros - works.Cons- expensive, the CCE Edition is 4 or 5 VM's that need TLC as per Sonus, so a support contract needed, plus a good vendor with a damn good engineer.

Teams - if Teams then an entry level SBC with analogue ports will work

Internet Modems won't workThere is a potential fax modem won't work on some solutions.

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